Miele DA 424 V EXT - Manual (Page 15)

Filter operating hours counter
The number of hours the appliance has
been in operation is stored in memory.
The indicator lamp for the grease filter
touch control will come on after 30
hours of operation. The
grease filters
must then be cleaned.
Afterwards, the filter operating hours
counter must be reset.
^ To do this, press and hold the grease
filter touch control for about 3 seconds.
The indicator lamp for the touch control
will go out.
For recirculation mode, the operating
hours counter for the charcoal filter
needs to be set to the required time
(see "Setting and altering the charcoal
filter operating hours counter").
The indicator lamp for the charcoal filter
touch control will light up after the
cooker hood has operated for the
number of hours set. The
charcoal filter
must then be replaced with a new one.
Afterwards, the filter operating hours
counter must be reset.
^ Press the charcoal filter touch control
for about 3 seconds.
The indicator lamp for the touch control
will go out.
Reading the filter operating hours
counter
To check the percentage of time set
already used:
^ Press the On/Off touch control to
switch the fan on.
^ Press and hold the grease filter or the
charcoal filter touch control.
One or more of the indicator lamps for
the
– / + touch controls will flash.
The number of flashing lamps shows
the percentage of the operating time
which has already been used up.
1 lamp = 25 %
2 lamps = 50 %
3 lamps = 75 %
4 lamps = 100 %
The number of operating hours used
remains in the memory, even when the
appliance is switched off or there is a
power cut.
Use
15